Holder for supporting an end surface of a workpiece during polishing

Abstract

A holder for supporting an end surface of a workpiece during polishing comprises a main body and a framework which are respectively provided with fixing portions corresponding to each other; at least one of the two fixing portions has at least one set of upper and lower contact portions, and the upper and the lower contact portions on each set are respectively disposed above and below a contact plane formed between the end surface of the workpiece and a polishing surface; when the upper and lower contact portions and another one of the fixing portions one another, the main body is capable of keeping parallel to the polishing surface, and the pressure acting on the end surface of each workpiece is capable of being approximately uniform. Hence, the number of end surfaces of the optical fibers can be increased tremendously during polishing so as to enhance the polishing speed and quality.

1. A holder for supporting end surfaces of workpieces during polishing comprising:
 a main body being provided with a plurality of fixtures to hold said workpieces, and being provided with a first fixing portion; 
 a framework being provided with a second fixing portion corresponding to the first fixing portion; 
 a polishing surface being disposed under the workpieces for a contact plane is capable of being formed between the polishing surface and the end surfaces; 
 wherein at least one set of first upper and lower contact portions is provided by either said first fixing portion or said second fixing portion, said first upper and lower contact portions are respectively disposed above and below said contact plane; 
 whereby, when said first upper and lower contact portions, and said first or second fixing portion contact with one another, said main body is capable of keeping parallel to said polishing surface. 
 
     
     
       2. The holder according to  claim 1 , wherein said first fixing portion comprises at least one fixing groove; said second fixing portion comprises at least one fixing rod received in said fixing groove; said first upper and lower contact portions are disposed on and project outward from said fixing rod. 
     
     
       3. The holder according to  claim 1 , wherein said first fixing portion comprises at least one fixing groove, and said first upper and lower contact portions are disposed on an inner wall of said fixing groove and project toward the fixing groove; said second fixing portion comprises at least one fixing rod, and said fixing rods are accepted in said fixing groove. 
     
     
       4. The holder according to  claim 1 , wherein said first upper and lower contact portions are annular, and said first or second fixing portion comprises a fixing rod engaged with said upper and said lower contact portions. 
     
     
       5. The holder according to  claim 2 , wherein said first upper and lower contact portions are elastic materials attached to a periphery of said fixing rod. 
     
     
       6. The holder according to  claim 2 , wherein said fixing groove is disposed at a center of said main body; a plurality of symmetrical accepting grooves are respectively disposed in the main body close to a periphery of said main body for accepting counterweights, and said counterweights exert a downward force to said main body respectively. 
     
     
       7. The holder according to  claim 2 , wherein said fixing groove is disposed at a center of said main body, and said fixing rod exerts a downward force to said main body. 
     
     
       8. The holder according to  claim 1 , wherein said second fixing portion comprises a plurality of symmetrical fixing grooves; a plurality of symmetrical fixing rods are disposed at a periphery of said main body and received in said fixing grooves respectively; said first upper and lower contact portions are disposed on and project outward from said fixing rods respectively; a plurality of symmetrical accepting grooves are respectively disposed in said main body close to a periphery of said main body for accepting counterweights, and said counterweights exert a downward force to said main body respectively. 
     
     
       9. The holder according to  claim 2 , wherein a plurality of symmetrical fixing grooves are disposed at a periphery of said main body, and said fixing rods exert a downward force to said main body respectively. 
     
     
       10. The holder according to  claim 2 , wherein a set of second upper and lower contact portions is provided at an inner wall of said fixing groove to project toward said fixing groove for contacting with said first upper and lower contact portions respectively. 
     
     
       11. The holder according to  claim 3 , wherein said first upper lower contact portions are elastic materials attached to an inner wall of said fixing groove. 
     
     
       12. The holder according to  claim 3 , wherein said fixing groove is disposed at a center of said main body; a plurality of symmetrical accepting grooves are respectively disposed in the main body close to a periphery of said main body for accepting counterweights, and said counterweights exert a downward force to said main body. 
     
     
       13. The holder according to  claim 3 , wherein said fixing groove is disposed at a center of said main body, and said fixing rods exert a downward force to said main body respectively. 
     
     
       14. The holder according to  claim 1 , wherein said second fixing portion comprises a plurality of symmetrical fixing grooves, and said first upper and lower contact portions are disposed on inner walls of said fixing grooves and project toward the fixing grooves respectively; a plurality of symmetrical fixing rods are disposed at a periphery of said main body and accepted in said fixing grooves respectively; a plurality of symmetrical accepting grooves are respectively disposed in said main body close to a periphery of said main body for accepting counterweights, and said counterweights exert a downward force to said main body. 
     
     
       15. The holder according to  claim 3 , wherein a plurality of symmetrical fixing grooves are disposed at a periphery of said main body, said fixing rods exert downward force to said main body respectively. 
     
     
       16. The holder according to  claim 5 , wherein said first upper and lower contact portions are provided with a contact part made of hard material at the outer edges thereof. 
     
     
       17. The holder according to  claim 8 , wherein said framework has a side indenting downward, said fixing grooves are positioned at said side, and bottoms of said fixing grooves are provided with a liquid discharge hole respectively. 
     
     
       18. The holder according to  claim 11 , wherein outer edges said first upper and lower contact portions respectively have a contact part made of hard material. 
     
     
       19. The holder according to  claim 16 , wherein a fluid-storage tank is disposed in said fixing rod; said fluid-storage tank is filled up with oil, and said oil contacts with inner sides of said first upper and lower contact portions. 
     
     
       20. The holder according to  claim 18 , wherein a fluid-storage tank is disposed in an inner wall of said fixing groove; said fluid-storage tank is filled up with oil, and said oil contacts with inner sides of said first upper contact portion and said lower contact portion. 
     
     
       21. The holder according to  claim 19 , wherein said fluid-storage tank is annular. 
     
     
       22. The holder according to  claim 8  further comprises a support bracket with a pivoting portion, wherein said pivoting portion is pivotally connected to an outer wall of the respective fixing groove. 
     
     
       23. The holder according to  claim 8  further comprises a support bracket with a pivoting portion, wherein said pivoting portion is pivotally connected to an outer wall of the respective fixing rod, and the respective fixing groove is provided with a hole for allowing said support bracket to pass through. 
     
     
       24. The holder according to  claim 14  further comprises a support bracket with a pivoting portion, wherein said pivoting portion is connected to an outer wall of the respective fixing groove. 
     
     
       25. The holder according to  claim 14  further comprises a support bracket with a pivoting portion, wherein said pivoting portion is pivotally connected to an outer wall of said fixing rod the respective fixing groove is provided with a hole for allowing said support bracket to pass through. 
     
     
       26. The holder according to  claim 22 , wherein said pivoting portion of said support bracket is positioned between said first upper and lower contact portions. 
     
     
       27. The holder according to  claim 23 , wherein said pivoting portion of said support bracket is positioned between said first upper and lower contact portions. 
     
     
       28. The holder according to  claim 24 , wherein said pivoting portion of said support bracket is positioned between said first upper and lower contact portions. 
     
     
       29. The holder according to  claim 25 , wherein said pivoting portion of said support bracket is positioned between said first upper and lower contact portions. 
     
     
       30. The holder according to  claim 26 , wherein said pivoting portion of said support racket is a ball bearing. 
     
     
       31. The holder according  claim 1 , wherein said first fixing portion comprises at least one fixing groove, and upper and lower ends of an inner wall of said fixing groove respectively acts as said first upper and lower contact portions; an lower end of said fixing groove is provided with a liquid discharge hole; said second fixing portion comprises at least one fixing rod, and said fixing rod is accepted in said fixing groove; a lower end of said fixing rod extends to a lower side of said first lower contact portion. 
     
     
       32. The holder according to  claim 1 , wherein said first fixing portion comprises at least one fixing groove; said second fixing portion comprises at least one fixing rod and said fixing rod is accepted in said fixing groove; upper and lower ends of an inner wall of said fixing groove respectively act as said first upper and lower contact portions. 
     
     
       33. The holder according to  claim 32 , wherein said fixing groove and said fixing rod are respectively disposed on at said main body and said framework. 
     
     
       34. The holder according to  claim 1 , wherein said first fixing portion comprises at least one fixing rod; said second fixing portion comprises at least one fixing groove, and said fixing rod is accepted in said fixing groove; upper and lower ends of an inner wall of said fixing groove respectively act as said first upper and lower contact portions are respectively disposed at said main body and said framework. 
     
     
       35. The holder according to  claim 1 , wherein said first fixing portion comprises at least one fixing groove; said second fixing portion comprises at least one fixing rod accepted in said fixing groove; an upper end of an inner wall of said fixing groove acts as said first upper contact portion and said inner wall of said fixing groove has a portion corresponding to a lower end of said fixing rod to act as said first lower contact portion. 
     
     
       36. The holder according to  claim 1 , wherein said first fixing portion comprises at least one fixing groove; said second fixing portion comprises at least one fixing rod, and said fixing rod accepted in said fixing groove; an inner wall of said fixing groove has a portion corresponding to an upper end of said fixing rod to act as said first upper contact portion, and a lower end of said inner wall of said fixing groove acts as said first lower contact portion. 
     
     
       37. The holder according to  claim 1 , wherein said first fixing portion comprises at least one fixing groove; said second fixing portion comprises at least one fixing rod accepted in said fixing groove; a projection section is provided at an outer wall of said fixing rod; upper and lower ends of said projection section respectively act as said first upper and lower contact portions. 
     
     
       38. The holder according to  claim 1 , wherein said first fixing portion comprises at least one fixing rod; said second fixing portion comprises at least one fixing groove; said fixing rod is accepted in said fixing groove; a projection section is provided at an outer wall of said fixing rod; upper and lower ends of said projection section respectively act as said first upper contact portion and said lower contact portions.